Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false)
Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001694/0.001694, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001941/0.001941, allocations: 194.6 kB / 16.53 MB, free: 6.664 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.374/1.374, allocations: 222.9 MB / 240.2 MB, free: 4.387 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.656/2.656, allocations: 437 MB / 0.7104 GB, free: 5.121 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001181/0.001181, allocations: 67.89 kB / 0.8694 GB, free: 4.523 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6042/0.6054, allocations: 151.6 MB / 1.017 GB, free: 2.453 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02166/0.6271, allocations: 18.26 MB / 1.035 GB, free: 124 kB / 0.7794 GB
Notification: Performance of NFInst.instExpressions: time 0.01178/0.639, allocations: 6.863 MB / 1.042 GB, free: 9.238 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00199/0.641, allocations: 55.88 kB / 1.042 GB, free: 9.184 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.003976/0.645, allocations: 1.477 MB / 1.043 GB, free: 7.703 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.003917/0.649, allocations: 1.447 MB / 1.045 GB, free: 6.25 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00343/0.6524, allocations: 1.272 MB / 1.046 GB, free: 4.977 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.005847/0.6583, allocations: 5.465 MB / 1.051 GB, free: 15.5 MB / 0.8106 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009312/0.6676, allocations: 7.239 MB / 1.059 GB, free: 8.156 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003521/0.6711, allocations: 2.365 MB / 1.061 GB, free: 5.785 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004392/0.6755, allocations: 2.968 MB / 1.064 GB, free: 2.809 MB / 0.8106 GB
Notification: Performance of NFPackage.collectConstants: time 0.001434/0.677, allocations: 0.5156 MB / 1.064 GB, free: 2.293 MB / 0.8106 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003164/0.6802, allocations: 1.276 MB / 1.065 GB, free: 1.016 MB / 0.8106 GB
Notification: Performance of NFScalarize.scalarize: time 0.00325/0.6834, allocations: 2.246 MB / 1.068 GB, free: 14.77 MB / 0.8262 GB
Notification: Performance of NFVerifyModel.verify: time 0.004237/0.6877, allocations: 2.194 MB / 1.07 GB, free: 12.56 MB / 0.8262 GB
Notification: Performance of NFConvertDAE.convert: time 0.008127/0.6958, allocations: 7.725 MB / 1.077 GB, free: 4.816 MB / 0.8262 GB
Notification: Performance of FrontEnd - DAE generated: time 4.478e-06/0.6958, allocations: 0 / 1.077 GB, free: 4.816 MB / 0.8262 GB
Notification: Performance of FrontEnd: time 1.252e-06/0.6959, allocations: 0 / 1.077 GB, free: 4.816 MB / 0.8262 GB
Notification: Performance of Transformations before backend: time 0.0001868/0.696, allocations: 0 / 1.077 GB, free: 4.816 MB / 0.8262 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.008418/0.7045, allocations: 3.823 MB / 1.081 GB, free: 0.9336 MB / 0.8262 GB
Notification: Performance of prepare preOptimizeDAE: time 4.724e-05/0.7045, allocations: 16.03 kB / 1.081 GB, free: 0.918 MB / 0.8262 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006879/0.7052, allocations: 0.5465 MB / 1.082 GB, free: 372 kB / 0.8262 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01322/0.7185, allocations: 2.411 MB / 1.084 GB, free: 13.95 MB / 0.8419 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004997/0.7235, allocations: 2.167 MB / 1.086 GB, free: 11.73 MB / 0.8419 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001971/0.7237, allocations: 267.3 kB / 1.086 GB, free: 11.47 MB / 0.8419 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009914/0.7247, allocations: 355.9 kB / 1.087 GB, free: 11.12 MB / 0.8419 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01594/0.7407, allocations: 7.159 MB / 1.094 GB, free: 3.867 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001275/0.7408, allocations: 0 / 1.094 GB, free: 3.867 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001097/0.7419, allocations: 148 kB / 1.094 GB, free: 3.723 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005047/0.7424, allocations: 334.1 kB / 1.094 GB, free: 3.395 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01917/0.7616, allocations: 7.048 MB / 1.101 GB, free: 12.33 MB / 0.8575 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03711/0.7988, allocations: 26.69 MB / 1.127 GB, free: 15.46 MB / 0.8887 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008782/0.8076, allocations: 4.988 MB / 1.132 GB, free: 10.17 MB / 0.8887 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006038/0.8137, allocations: 2.6 MB / 1.135 GB, free: 7.543 MB / 0.8887 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003102/0.814, allocations: 131 kB / 1.135 GB, free: 7.398 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.511e-05/0.8141, allocations: 64.45 kB / 1.135 GB, free: 7.324 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=208): time 7.313e-06/0.8141, allocations: 7.938 kB / 1.135 GB, free: 7.316 MB / 0.8887 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.1094/0.9236, allocations: 30.93 MB / 1.165 GB, free: 8.301 MB / 0.92 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001266/0.9237, allocations: 239.6 kB / 1.165 GB, free: 8.02 MB / 0.92 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002595/0.9263, allocations: 1.473 MB / 1.167 GB, free: 6.539 MB / 0.92 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005238/0.9269, allocations: 65.7 kB / 1.167 GB, free: 6.469 MB / 0.92 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001083/0.928, allocations: 1.497 MB / 1.168 GB, free: 4.949 MB / 0.92 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001164/0.9291, allocations: 0.9242 MB / 1.169 GB, free: 4.012 MB / 0.92 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001722/0.9309, allocations: 0.6357 MB / 1.17 GB, free: 3.367 MB / 0.92 GB
Notification: Performance of setup shared object (initialization): time 0.0001034/0.931, allocations: 305.1 kB / 1.17 GB, free: 3.066 MB / 0.92 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006272/0.9373, allocations: 2.694 MB / 1.173 GB, free: 372 kB / 0.92 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006892/0.9442, allocations: 3.564 MB / 1.176 GB, free: 12.42 MB / 0.9356 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01306/0.9572, allocations: 6.395 MB / 1.182 GB, free: 5.625 MB / 0.9356 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.236e-05/0.9573, allocations: 12 kB / 1.182 GB, free: 5.613 MB / 0.9356 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.02917/0.9865, allocations: 10.98 MB / 1.193 GB, free: 10.53 MB / 0.9512 GB
Notification: Performance of prepare postOptimizeDAE: time 4.705e-05/0.9865, allocations: 16.56 kB / 1.193 GB, free: 10.52 MB / 0.9512 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.274e-05/0.9866, allocations: 24 kB / 1.193 GB, free: 10.49 MB / 0.9512 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02041/1.007, allocations: 5.583 MB / 1.199 GB, free: 4.891 MB / 0.9512 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004743/1.012, allocations: 0.9945 MB / 1.199 GB, free: 3.895 MB / 0.9512 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04513/1.057, allocations: 28.2 MB / 1.227 GB, free: 7.238 MB / 0.9825 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004973/1.062, allocations: 0.5692 MB / 1.228 GB, free: 6.668 MB / 0.9825 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007766/1.063, allocations: 148 kB / 1.228 GB, free: 6.523 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009057/1.072, allocations: 3.988 MB / 1.232 GB, free: 2.527 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006951/1.079, allocations: 3.532 MB / 1.235 GB, free: 14.61 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.6188/1.698, allocations: 24.66 MB / 1.259 GB, free: 208.7 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.029e-05/1.698, allocations: 7.875 kB / 1.259 GB, free: 208.7 MB / 0.9981 GB
Warning: The linear system: 
1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02308/1.721, allocations: 10.53 MB / 1.269 GB, free: 206.1 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 2.68e-05/1.721, allocations: 16.5 kB / 1.269 GB, free: 206.1 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.828e-05/1.721, allocations: 29.53 kB / 1.269 GB, free: 206.1 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01359/1.734, allocations: 4.331 MB / 1.274 GB, free: 205.5 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004008/1.739, allocations: 1.046 MB / 1.275 GB, free: 205.4 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0268/1.765, allocations: 27.15 MB / 1.301 GB, free: 186.5 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004087/1.769, allocations: 0.5615 MB / 1.302 GB, free: 186.2 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004891/1.77, allocations: 150.5 kB / 1.302 GB, free: 186.2 MB / 0.9981 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i1[2]) - line2.i2[2] - line2.i3[2]
         0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0009027/1.771, allocations: 403.1 kB / 1.302 GB, free: 185.9 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005871/1.771, allocations: 202 kB / 1.303 GB, free: 185.9 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02254/1.794, allocations: 10.17 MB / 1.312 GB, free: 176 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.693e-05/1.794, allocations: 31.94 kB / 1.312 GB, free: 176 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.118e-05/1.794, allocations: 12 kB / 1.312 GB, free: 176 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.867e-05/1.794, allocations: 11.95 kB / 1.313 GB, free: 176 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02948/1.824, allocations: 16.34 MB / 1.328 GB, free: 159.5 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.303e-05/1.824, allocations: 8 kB / 1.328 GB, free: 159.5 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002943/1.827, allocations: 0.7373 MB / 1.329 GB, free: 158.7 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01593/1.843, allocations: 5.196 MB / 1.334 GB, free: 153.5 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000365/1.843, allocations: 77.17 kB / 1.334 GB, free: 153.4 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03047/1.873, allocations: 27.23 MB / 1.361 GB, free: 125.7 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.262e-06/1.873, allocations: 15.97 kB / 1.361 GB, free: 125.7 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02144/1.895, allocations: 10.14 MB / 1.371 GB, free: 115.3 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001242/1.896, allocations: 0.7199 MB / 1.372 GB, free: 114.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004839/1.897, allocations: 56 kB / 1.372 GB, free: 114.5 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00327/1.9, allocations: 0.5085 MB / 1.372 GB, free: 114 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006334/1.901, allocations: 226.3 kB / 1.372 GB, free: 113.8 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002057/1.901, allocations: 99.7 kB / 1.372 GB, free: 113.7 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001169/1.902, allocations: 0.9972 MB / 1.373 GB, free: 112.7 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 7.32e-07/1.902, allocations: 0 / 1.373 GB, free: 112.7 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.004931/1.907, allocations: 1.855 MB / 1.375 GB, free: 110.9 MB / 0.9981 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02167/1.929, allocations: 10.8 MB / 1.386 GB, free: 99.8 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.02791/1.956, allocations: 14.38 MB / 1.4 GB, free: 85.34 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 1.286e-05/1.957, allocations: 4 kB / 1.4 GB, free: 85.34 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.008917/1.965, allocations: 4.401 MB / 1.404 GB, free: 80.9 MB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002311/1.968, allocations: 286.9 kB / 1.404 GB, free: 80.62 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0821/2.05, allocations: 44.16 MB / 1.447 GB, free: 34.47 MB / 0.9981 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002899/2.053, allocations: 2.853 MB / 1.45 GB, free: 31.58 MB / 0.9981 GB
Notification: Performance of simCode: alias equations: time 0.004674/2.058, allocations: 1.653 MB / 1.452 GB, free: 29.93 MB / 0.9981 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001461/2.059, allocations: 1.227 MB / 1.453 GB, free: 28.7 MB / 0.9981 GB
Notification: Performance of SimCode: time 5.31e-07/2.059, allocations: 0 / 1.453 GB, free: 28.7 MB / 0.9981 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 3.684/5.743, allocations: 102.1 MB / 1.553 GB, free: 6.996 MB / 1.076 GB
Notification: Performance of buildModelFMU: Generate platform static: time 19.24/24.98, allocations: 15.52 kB / 1.553 GB, free: 6.984 MB / 1.076 GB
(rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.mat --tempDir=temp_Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)
TODO: How the !@#!# did the simulation report success but simulation result Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.mat does not exist to compare? outputFormat=mat